Solar-powered plane to take cross-country flight

June 24, 2014

Justin Sullivan/Getty Images

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The Solar Impulse solar-powered plane is displayed in a hangar at Moffett Field in March 2013 in Mountain View, California. The Solar Impulse has already made international and intercontinental flights in Europe and Africa.

Justin Sullivan/Getty Images

16of58

The Solar Impulse solar-powered plane is displayed in a hangar at Moffett Field in March 2013 in Mountain View, California. The Solar Impulse has already made international and intercontinental flights in Europe and Africa.